Nicolas Biri in

Nicolas Biri

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Director of Software Architecture at Input Output Group
📍 France

Nicolas Biri is the Director of Software Architecture at Input Output Global (IOG), where he leads the R&D and technical validation of cutting-edge research for the Cardano blockchain. With a PhD in Computer Science, his work focuses on developing next-generation consensus protocols, like Leios, to dramatically enhance transaction throughput and scalability.

He spearheaded the development of the Leios consensus protocol, a landmark Cardano Improvement Proposal designed to increase the blockchains transaction throughput by up to 60x.

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Experience
23 Years
Current Role
Director of Software Architecture
Job Level
Mid-senior
Location
France
Personality Overview

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Priorities

Topics Nicolas cares about

Blockchain Scalability
He is leading the development of the Ouroboros Leios protocol, a major upgrade intended to make Cardano one of the fastest and most scalable blockchains.
Consensus Protocols
He has led the specification for multiple Cardano consensus algorithms, including Praos for fast settlement and Leios for high throughput, shaping the core of the network.
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Career

Work history

2-2024
Director of Software Architecture
Input Output Group
11-2023
Software Engineering Manager
Input Output Group
6-2023 - 11-2023
Software Engineering Lead
Input Output Group
5-2016 - 8-2022
Senior Research Engineer
Luxembourg Institute of Science and Technology (LIST)
1-2007 - 5-2016
Project Manager
CRP - Gabriel Lippmann
In the press

Media appearances

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Education
2001 - 2005
PhD.
Université Henri Poincaré, Nancy 1
1999 - 2001
Master's degree
Université Henri Poincaré, Nancy 1
Social presence
in
Behavioral profile

DISC profile (public)

DISC behavioral profile

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